<template>
  <div id="app">
    <router-view v-if="isRouterAlive"/>
  </div>
</template>

<script>
import { getToken, setToken } from '@/utils/auth'
export default  {
  name:  'App',
   provide() {
    //父组件中通过provide来提供变量，在子组件中通过inject来注入变量。
    return {
      reload: this.reload,
    };
  },
   data() {
    return {
      isRouterAlive: true, //控制视图是否显示的变量
    };
  },
  created(){
    
  },
  methods: {
  
    reload() {
      this.isRouterAlive = false; //先关闭，
      this.$nextTick(function () {
        this.isRouterAlive = true; //再打开
      });
    },
  },
  metaInfo() {
        return {
            title: this.$store.state.settings.dynamicTitle && this.$store.state.settings.title,
            titleTemplate: title => {
                return title ? `${title} - ${process.env.VUE_APP_TITLE}` : process.env.VUE_APP_TITLE
            }
        }
    }
}
</script>
